Royal Society of Chemistry

A fast and selective probe for monitoring Pd2+ in aqueous medium via the dual-optical readout

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8488-8490
DOI: 10.1039/C4CC03891F, CommunicationAnup Kumar, Megha Chhatwal, Alok Kumar Singh, Vikram Singh, Manoj Trivedi
A fast, selective and regenerative probe for real-time monitoring of ppm levels of Pd2+ in aqueous medium has been demonstrated.
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Sodium borohydride treatment: a simple and effective process for the removal of stabilizer and capping agents from shape-controlled palladium nanoparticles

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC02747G, CommunicationNaresh Nalajala, Wasim Feroze Gooty Saleha, Bradley P. Ladewig, Manoj Neergat
Using the hydride formation property of Pd for the removal of strongly-adsorbed impurities from nanoparticle surfaces.
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Step-by-step on-surface synthesis: from manganese phthalocyanines to their polymeric form

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8565-8567
DOI: 10.1039/C4CC02792B, CommunicationM. Koudia, M. Abel
On-surface reaction of tetracyanobenzene molecules with Mn atoms is presented.
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Palladium-catalyzed thiolation of alkanes and ethers with arylsulfonyl hydrazides

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8578-8581
DOI: 10.1039/C4CC02876G, CommunicationSheng-rong Guo, Wei-ming He, Jian-nan Xiang, Yan-qin Yuan
A new method for the preparation of alkyl aryl sulfides through direct oxidative thiolation of alkanes or ethers with arylsulfonyl hydrazides using DTBP as an oxidant catalyzed by Pd(OAc)2 has been reported. The C-H bonds in various alkanes or ethers were successfully converted into C-S bonds with moderate to good yields.
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A novel self-assembling nanoparticle of Ag-Bi with high reactive efficiency

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8597-8600
DOI: 10.1039/C4CC03300K, CommunicationJianyu Gong, Chung-Seop Lee, Yoon-Young Chang, Yoon-Seok Chang
A novel nanoparticle of Ag-Bi shows excellent purification of contaminated water without other supplements.
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Zinc-catalyzed synthesis of 2-alkenylfurans via cross-coupling of enynones and diazo compounds

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8536-8538
DOI: 10.1039/C4CC03960B, CommunicationJesus Gonzalez, Luis A. Lopez, Ruben Vicente
A ZnCl2 catalyzed selective cross-coupling of enynones and diazo compounds, leading to a variety of 2-alkenylfurans, is reported.
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Chiral phosphoramide-catalyzed enantioselective synthesis of 2,3[prime or minute]-diindolylarylmethanes from indol-2-yl carbinols and indoles

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8605-8608
DOI: 10.1039/C4CC03605K, CommunicationShuai Qi, Chao-You Liu, Jin-Ying Ding, Fu-She Han
The first enantioselective synthesis of 2,3[prime or minute]-diindolylarylmethanes through the asymmetric reaction of indol-2-yl carbinols with indole derivatives catalyzed by chiral phosphoramides is presented.
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From meiogynin A to the synthesis of dual inhibitors of Bcl-xL and Mcl-1 anti-apoptotic proteins

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8593-8596
DOI: 10.1039/C4CC01830C, CommunicationS. Desrat, C. Remeur, C. Geny, G. Riviere, C. Colas, V. Dumontet, N. Birlirakis, B. I. Iorga, F. Roussi
The synthesis of one of the most potent pan inhibitors of the anti-apoptotic proteins Bcl-xL and Mcl-1 is reported. This analogue of a natural sesquiterpenoid dimer meiogynin A was elaborated by a convergent asymmetric synthesis with 36% yield in ten steps.
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Direct evidence by in situ IR CO monitoring of the formation and the surface segregation of a Pt-Sn alloy

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8590-8592
DOI: 10.1039/C4CC03208J, CommunicationAlina Moscu, Yves Schuurman, Laurent Veyre, Chloe Thieuleux, Frederic Meunier
The heat of CO adsorption on the Pt atoms of a Pt-Sn alloy phase could be determined by DRIFTS and found to be about half that measured on a plain Pt reference. Surprisingly, a reversible surface segregation of the Pt-Sn alloy was observed at temperatures below 175 [degree]C.
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Can silylenes rival transition metal systems in bond-strengthening [small pi]-back donation? A computational investigation

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8522-8525
DOI: 10.1039/C4CC02470B, CommunicationAmrita Pal, Kumar Vanka
Full quantum chemical calculations with density functional theory (DFT) show that bond-strengthening back-donation to a [small pi]-diborene, recently discovered for transition metal systems (Braunschweig and co-workers, Nat. Chem., 2013, 5, 115-121), would be just as favored for Main Group silylene complexes.
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Rational design of biotinylated probes: fluorescent turn-on detection of (strept)avidin and bioimaging in cancer cells

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8518-8521
DOI: 10.1039/C4CC03315A, CommunicationQian Sun, Junhong Qian, Haiyu Tian, Liping Duan, Weibing Zhang
Two fluorescent probes for (strept)avidin were synthesized. (Strept)avidin induced dramatical fluorescence changes in both probes. SPS2 has potential in fluorescent imaging of living tumor cells.
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Dual functionalization of porous aromatic frameworks as a new platform for heterogeneous cascade catalysis

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8507-8510
DOI: 10.1039/C4CC04012K, CommunicationYiming Zhang, Baiyan Li, Shengqian Ma
Dual functionalization of PAFs has been achieved by stepwise post-synthetic modification of PAF-1 with two antagonistic groups of strong acid and strong base, which catalyzes a series of cascade reactions and demonstrates superior chemical stability compared to mesoporous silica and MOF-based bifunctional solids.
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A copper(II) perchlorate-promoted tandem reaction of internal alkynol and salicyl N-tosylhydrazone: direct access to isochromeno[3,4-b]chromene

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8514-8517
DOI: 10.1039/C4CC02862G, CommunicationHai Xiao Siyang, Xu Rui Wu, Xiao Yue Ji, Xin Yan Wu, Pei Nian Liu
A copper(II) perchlorate-promoted tandem reaction of internal alkynol and salicyl N-tosylhydrazone provides a novel, concise method for constructing isochromeno[3,4-b]chromene in 35-94% yields.
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DNA adsorption by magnetic iron oxide nanoparticles and its application for arsenate detection

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8568-8570
DOI: 10.1039/C4CC03264K, CommunicationBiwu Liu, Juewen Liu
Arsenate strongly displaces fluorescently labeled DNA adsorbed on iron oxide nanoparticles, allowing sensitive and convenient arsenate detection.
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Sensitivity enhancement in slice-selective NMR experiments through polarization sharing

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8550-8553
DOI: 10.1039/C4CC02978J, Communication Lokesh, N. Suryaprakash
Sensitivity enhanced spatially encoded NMR experiments.
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A supramolecular hydrogelator of curcumin

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03139C, CommunicationChengbiao Yang, Zhongyan Wang, Caiwen Ou, Minsheng Chen, Ling Wang, Zhimou Yang
The first supramolecular hydrogelator of curcumin is reported in this study.
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1,2,4,3-Triazaborole-based neutral oxoborane stabilized by a Lewis acid

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8561-8564
DOI: 10.1039/C4CC03379E, CommunicationYing Kai Loh, Che Chang Chong, Rakesh Ganguly, Yongxin Li, Dragoslav Vidovic, Rei Kinjo
A 1,2,4,3-triazaborole-based oxoborane derivative has been synthesized via hydrogen migration upon the coordination of AlCl3 to the corresponding borinic acid. X-ray diffraction analysis and computational study revealed the partial B[double bond, length as m-dash]O double-bond property.
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Two modes of photoinduced twisted intramolecular charge transfer in meso-arylaminated subporphyrins

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8491-8494
DOI: 10.1039/C4CC02368D, CommunicationWon-Young Cha, Jong Min Lim, Kyu Hyung Park, Masaaki Kitano, Atsuhiro Osuka, Dongho Kim
Photoinduced twisted intramolecular charge transfer (TICT) of meso-(4-dimethylamino)phenylamino subporphyrin 2 and meso-(4-nitro)phenylamino subporphyrin 3 has been revealed by steady-state and time-resolved absorption/fluorescence experiments and quantum calculations.
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High-sensitivity fluorescence imaging of iron in plant tissues

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8547-8549
DOI: 10.1039/C4CC02132K, CommunicationMi-Jeong Park, Hak-Sung Jung, Young-Jae Kim, Young-Ju Kwon, Jin-Kyu Lee, Chung-Mo Park
Fluorescence imaging of Fe ions in (a) leaf epidermal cells, (b) the stem, and (c) the root stem of Arabidopsis plants by the rapid, simple, and inexpensive photoinduced electron transfer (PET) fluorescent probing method.
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Polynorbornene derived 8-hydroxyquinoline paper strips for ultrasensitive chemical nerve agent surrogate sensing

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8511-8513
DOI: 10.1039/C4CC03361B, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Santu Sarkar, Raja Shunmugam
The detection of nerve agent simulants is achieved by the photoinduced electron transfer (PET) mechanism.
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